Allison 250-C30S

Service difficulty reports · 449

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = '250C30S'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR ALG2004F00004Amplifier · inoperativeFIRE WARNING LIGHT ON NR 2 ENGINE ILLUMINATED. NO FIRE WAS SEEN. MAINTENANCE REMOVED AND REPLACED FIRE DETECTOR CONTROL AMP.Feb 16, 2004 · N519AL · Skrsky S76A · Fire DetectionSDR ALG2004F00000Engine · making metalIN FLIGHT, NR 2 ENGINE CHIP LIGHT CAME ON. MAINTENANCE FOUND METAL ON FWD PLUG ON NR 2 ENGINE. SMALL RING OF TINY FLAKES ON OUTSIDE PERIMETER OF CHIP PLUG. AIRCRAFT AOG FOR ENGINE.Jan 8, 2004 · N519AL · Skrsky S76A · Engine (Turbine/Turboprop)SDR 2003FA0001298Nozzle · crackedRECEIVED THE ENGINE FOR REPAIR DUE TO HIGH OIL TEMPERATURE. DURING INSPECTION OF THE PARTS FOUND THE WELD ON 1 OF THE 5 TURBINE NOZZLE DIAPHRAGM RETAINING KEYS WAS CRACKED THROUGH THE CENTER FOR ALMOST ITS ENTIRE LENGTH. TURBINE TSO 613 HOURS (KES WO NR A0Dec 1, 2003 · Turbine SectionSDR ALG2003F00105Chip Detector · contaminatedAT A HOVER READY FOR TAKEOFF, NUMBER ONE ENGINE CHIP LIGHT ILLUMATED AT A HOVER. HAD LANDED AT GALLIANO TO REFUEL. MAINTENANCE FOUND ONE SLIVER ON AFT CHIP PLUG. CLEANED PLUG AND COMPLIED WITH 30 MINUTE RUN AND LEAK CHECK. OPS CHECK GOOD.Nov 30, 2003 · N707AL · Skrsky S76 · Turbine Engine Oil SystemSDR ALGA091288Pinion Gear · spalledFOUND SPALLING ON PINION GEAR TEETH. SENT PART TO VENDOR FOR WARRANTY CREDIT.Nov 26, 2003 · N518AL · Skrsky S76A · Main Rotor GearboxSDR ALG2003F00104Pump · failedAIRCRAFT RUNNING ON THE PLATFORM. THE NR 2 HYDRAULIC FAILED WHILE THE AIRCRAFT WAS ON THE PLATFORM, MAINTENANCE WAS NOTIFIED. THE MECHANIC REMOVED AND REPLACED THE NR 2 HYDRAULIC PUMP DUE TO A SHEERED SHAFT, GROUND RUN WAS PERFORMED AND AIRCRAFT WAS RETURNEDOct 14, 2003 · N709AL · Skrsky S76A · Hydraulic Pump (Electric/Engine), MainSDR ALG2003F00101Relay · failedON PRE-FLIGHT, THE FIRE EXTINGUISHER SYSTEM FAILED. MAINTENANCE WAS INFORMED AND THE MECHANIC REMOVED AND REPLACED THE K2 RELAY IN THE NR 1 RELAY IN THE OVERHEAD PANEL IAW MM. THE AIRCRAFT WAS RETURNED TO SERVICE.(K)Oct 12, 2003 · N709AL · Skrsky S76A · Extinguishing SystemSDR ALG2003F00100Compressor · malfunctionedAT HOVER. DURING INITIAL HOVER PRIOR TO TAKE-OFF THE PILOT NOTICED A HIGH PITCH SCREECHING NOISE THAT WAS EVIDENT ONLY DURING HOVER, AT FLAT PITCH THE NOISE GOES AWAY. MAINTENANCE WAS NOTIFIED AND THE MECHANIC CHANGED THE COMPRESSOR, TURBINE AND GEARBOX ASSEOct 7, 2003 · N361AL · Bell 206L3 · Turbine Engine Compressor SectionSDR CA031010002Labyrinth Seal · failed(CAN) SEVERAL CHIP LIGHTS WERE EXPERIENCED DURING OPERATION WHICH PROMPTED THE REMOVALOF ENGINE. MAGNETIC PARTICLES WERE NOTED ON THE UPPER GEARBOX CHIP DETECTOR. UPON FLUSHING THE TURBINE NR 8 BEARING AREA FERROUS PARTICLES AND SILVER FLAKES WERE FOUND. UPON Sep 24, 2003 · Skrsky S76A · Turbine SectionSDR ALG2003F00102Wire · shortedIN CRUISE FLIGHT, SMELLED SMOKE AND SAW SMOKE FLOWING OUT OF OVERHEAD QUADRANT FRONT BY FIRE HANDLES. EXECUTED TURN AROUND TO INTRACOASTAL AND SMOKE STOPPED. FIRE EXTINGUISHER CIRCUIT BREAKERS POPPED. RETURNED TO INTRACOASTAL, EVERYTHING ELSE NORMAL INDICATSep 24, 2003 · N522AL · Skrsky S76A · Extinguishing SystemSDR ALG2003F00072Squat Switch · malfunctionedDURING TAKE OFF PHASE, THE LANDING GEAR WOULD NOT RETRACT, RETURNED TO ARA FOR MAINTENANCE. MAINTENANCE ADJUSTED WEIGHT ON WHEEL SWITCH IAW S76 MM.Sep 9, 2003 · N917QS · Skrsky S76A · Landing Gear Position and WarningSDR ALG2003F00095Chip Detector · contaminatedON CLIMB OUT, ON MISSED APPROACH OFF ILS LAKE CHARLES, NR 2 ENGINE CHIP LIGHT ILLUMINATED, THE PILOT FOLLOWED EMERGENCY PORCEDURE CHECKLIST AND THE LANDING WAS UNEVENTFUL AND NOTIFIED MAINTENANCE. THE MECHANIC REMOVED THE NR 2 ENGINE LOWER FORWARD GEARBOX CHISep 5, 2003 · N717AL · Skrsky S76A · Rotor Drive Indicating SystemSDR ALG2003F00085Wire · damagedAFTER TAKE OFF, WHILE RETRACTING GEAR THE RED GEAR UNLOCK LIGHT STAYED ILLUMINATED. RECYCLED GEAR SEVERAL TIMES WITH THE SAME RESULT. RETURNED TO FOURCHON WHERE MAINTENANCE TROUBLESHOT THE LANDING GEAR, REMOVED AND REPLACED CABLE ASSY PN 76552-00110-109 IAW Sep 1, 2003 · N741SW · Skrsky S76A · Landing Gear System WiringSDR ALG2003F00084Odor · detectedON TAKE OFF. JUST AS AIRCRAFT CLEARED HELIPORT DEPARTING EI333; DETECTED ODOR SIMILAR TO OVERHEATED BRAKE OIL OR CLUTCH MATERIAL. HAD NO CAUTION, WARNING OR ADVISORY LIGHTS OR INOP EQUIP, CONTINUED 12 MINUTE FLIGHT TO EI 365. ODOR LINGERED AND BECAME ACRID,Aug 27, 2003 · N703AL · Skrsky S76 · Air Distribution SystemSDR ALGA088803Pinion Gear · corrodedFOUND CORROSION AND RUST PITTING AT ROOT OF GEAR TEETH. REMOVED AND REPLACED. REQUEST WARRANTY CREDIT DUE TO LOW TIME.Aug 20, 2003 · N31211 · Skrsky S76A · Main Rotor GearboxSDR HEEA088384Fuel Control · malfunctionedNR 1 START HARD TO MODULATE. TO BE SENT TO VENDOR.Aug 4, 2003 · N763P · Skrsky S76A · Fuel Controlling SystemSDR HEEA088417Igniter · malfunctionedIGNITER PRODUCING A SLOW START. TO BE SENT TO VENDOR.Aug 1, 2003 · N763P · Skrsky S76A · Spark Plug/IgniterSDR CA030918006Rod End · sheared(CAN) UPON RETURN FROM A ROUTINE FLIGHT, IT WAS NOTED THAT THE RT EXPLOSIVE LINK ROD END WAS SHEARED. EXPLOSIVE LINK REPLACED WITH SERVICEABLE PART, A/C RETURNED TO SERVICE.Jul 31, 2003 · Skrsky S76A · Emergency Flotation SectionSDR ALG2003F00075Oil Cooler · malfunctionedSHORTLY AFTER TAKE OFF, DURING CLIMB OUT NR 2 ENGINE OIL TEMP EXCEDED REDLINE. AIRCRAFT RETURNED TO CREOLE, TEMPERATURE REACHED 115 DEGREES FOR 10 MINUTES, THE MECHANIC CHECKED CHIP PLUGS AND REPLACED THE ENGINE OIL, THERMOSTAT AND OIL COOLER AND HE CHECKED TJul 29, 2003 · N709AL · Skrsky S76A · Engine Oil CoolerSDR HEEA088416Igniter · crackedIGNITER INSULATOR CRACKED. TO BE SENT TO VENDOR FOR REPAIR.Jul 24, 2003 · N1545X · Skrsky S76A · Spark Plug/IgniterSDR ALGA088160Gear · spalledHEAVY SPALLING ON GEAR TEETH DUE TO IMPROPER MESHING OF GEAR TEETH. REMOVED AND REPLACED.Jul 21, 2003 · N507AL · Bell 407 · Main Rotor Mast/SwashplateSDR ALGA088162Pinion Gear · spalledHEAVY SPALLING ON GEAR TEETH,DUE TO IMPROPER MESHING OF GEAR TEETH.Jul 21, 2003 · N507AL · Bell 407 · Main Rotor GearboxSDR ALGA088163Gear · spalledHEAVY SPALLING ON GEAR TEETH, DUE TO IMPROPER MESHING OF GEAR TEETH. REMOVED AND REPLACED.Jul 21, 2003 · N507AL · Bell 407 · Main Rotor GearboxSDR CA030725005Seal · torn(CAN) SHORTLY AFTER INSTALLATION OF A REPAIRED ENGINE (40.5 HRS TSR), OIL COOLER BLOWER SEAL FAILED CAUSING SUBSTANTIAL LEAK FROM ACCESSORY GEARBOX. UPON REMOVAL OF SEAL, AME DISCOVERED A TORN SEAL LIP. IT WAS ALSO DETERMINED THAT INSTEAD OF ONE SPRING, (OR NJul 21, 2003 · Skrsky S76A · Engine Oil CoolerSDR HEEA088415Igniter · failedENGINE WOULD NOT START. IGNITER TO BE SENT TO VENDOR FOR REPAIR.Jul 20, 2003 · N1545K · Skrsky S76A · Spark Plug/IgniterSDR HEEA088387Fuel Control · surgesFUEL CONTROL SURGING. TO BE SENT TO VENDOR.Jul 19, 2003 · N1546G · Skrsky S76A · Fuel Controlling SystemSDR HEEA088363Engine · leakingENGINE LEAKS OIL.Jul 18, 2003 · N1546G · Skrsky S76A · Turbine Engine Oil SystemSDR HEEA088389Engine · malfunctionedENGINE PRODUCING LOWER POWER ASSURANCE MARGIN TREND. TO BE SENT TO VENDOR.Jul 10, 2003 · N505PH · Skrsky S76C · Engine (Turbine/Turboprop)SDR ALGA087895Gear · spalledFOUND SPALLING ON FWD. GEAR TEETH. REMOVED AND REPLACED WITH NEW PART.Jul 1, 2003 · N31211 · Skrsky S76A · Accessory GearboxesSDR ALG2003F00078Connector · contaminatedDURING THE PRESTART CHECKS. THE FIRE T HANDLE FOR THE NR 1 ENGINE WOULD NOT TEST. WATER FOUND IN SYSTEM CONNECTORS, CONNECTORS DRIED AND REINSTALLED, SYSTEM CHECKED GOOD.Jul 1, 2003 · N376AL · Skrsky S76A · Fire DetectionSDR ALG2003F00096Warning Light · false indicationPRIOR TO TAKE OFF, DURING THE FLOAT SYSTEM TEST, WHEN THE TEST SWITCH WAS PLACED IN THE TEST POSITION ALL CAUTION LIGHTS ILLUMINATED. (SAME AS PRESSING CAUTION PANEL TEST SWITCH). THE PILOT ALERTED MAINTENANCE, THE MECHANIC REMOVED AND REPLACED THE CAUTION PJun 26, 2003 · N703AL · Skrsky S76 · Instrument PanelSDR ALGA087757Seal · leakingTAIL ROTOR GEARBOX INPUT SEAL LEAKED WHEN RUN-UP ON TEST STAND.Jun 25, 2003 · N717AL · Skrsky S76A · Tail Rotor GearboxSDR ALGA087758Seal · leakingTAIL ROTOR GEARBOX OUTPUT SEAL LEAKED WHEN RUN-UP ON TEST STAND.Jun 25, 2003 · N917QS · Skrsky S76A · Tail Rotor GearboxSDR ALGA087751Seal · leakingMULTIPLE INPUT SEALS LEAKING WHEN RUN-UP ON TEST STAND. REPLACED SEALS WITH NEW.Jun 24, 2003 · N519AL · Skrsky S76A · Tail Rotor GearboxSDR HEEA087121Fuel Control · malfunctionedANTICIPATOR ROUGH, CAUSING TRIM MOTOR SLOW RESPONSE.Jun 10, 2003 · N1545K · Skrsky S76A · Fuel Control/Turbine EnginesSDR ALGA086421Mount · mismanufacturedFOUND MOUNT PAD MEASURING BELOW MIN. LIMITS.May 15, 2003 · Clark 1000CLARK · Turbine Engine Compressor SectionSDR 2003FA0000626Nozzle · crackedRECEIVED THE ENGINE FOR REPAIR DUE TO HIGH OIL TEMPERATURE. DURING INSPECTION OF THE PARTS FOUND THE WELD ON 1 OF THE 5 TURBINE NOZZLE DIAPHRAGM RETAINING KEYS WAS CRACKED THROUGH THE CNETER FOR ALMOST ITS ENTIRE LENGTH.May 9, 2003 · Turbine SectionSDR CA030415004Pump · failed(CAN) AIRCRAFT MASTER CAUTION LIGHT ' NR 2 OIL PRESSURE ' ILLUMINATED IN CRUISE. THE OIL PRESSURE GAUGE WAS AT 50 PSI AND THE NR 2 ENGINE TORQUE METER GAUGE WAS READING LOW AND FLUCTUATING. THE FLIGHT CREW BROUGHT THE ENGINE TO FLIGHT IDLE AND DID A PRECAUTIONApr 14, 2003 · Skrsky S76A · Turbine Engine Oil SystemSDR ALG2003F00058Light · inoperativeDURING START, THE NR 2 ENGINE FIRE DETECTION (T) HANDLE LIGHT WOULD NOT ILLUMINATE. THE MECHANIC REPAIRED THE WIRE IAW MM. OPERATIONAL CHECK WAS PERFORMED AND THE AIRCRAFT WAS RETURNED TO SERVICE.Apr 3, 2003 · N741SW · Skrsky S76A · Fire DetectionSDR ALG2003F00057Warning Light · illuminatedDURING TAKE OFF, THE NR 1 HYDRAULIC LIGHT ILLUMINATED. THE PILOT FOLLOWED THE CHECKLIST AND LANDED ON HI 389. THE MECHANIC CHECKED THE NR 1 HYDRAULIC SYSTEM PRESSURE CONTROL AND WARNING SYSTEM COMPLIED WITH GROUND RUN AND OPS CHECK. NO DEFECT NOTED.Mar 20, 2003 · N741SW · Skrsky S76A · Hydraulic Indicating SystemSDR ALG2003F00065Connector · malfunctionedDURING CLIMB OUT, NR 1 SERVO CAUTION LIGHT ILLUMINATED, THE PILOT THEN FOLLOWED THE CHECKLIST PROCEDURES. IT REOCCURRED AGAIN BEFORE LANDING. THE INDICATION WAS A MOMENTARY SERVO JAM, UPON LANDING THE MECHANIC FOUND CONNECTORS CORRODED ON NR 1 HYDRAULIC MODUMar 12, 2003 · N741SW · Skrsky S76A · Hydraulic Indicating SystemSDR CA030409002Seal · disintegrated(CAN) UPON INSTALLATION OF OVERHAULED ENGINE, DURING INITIAL GROUND RUN, AME NOTICED EXCESSIVE OIL LEAK FROM OIL COOLER BLOWER PAD (FRONT SPARE ACCESSORY DRIVE PAD). ENGINE WAS SHUT DOWN.UPON INSPECTION, WHEN OIL COOLER BLOWER WAS REMOVED, IT WAS FOUND THAT TFeb 11, 2003 · Skrsky S76A · Turbine Engine Oil SystemSDR CA030204017Tube · contaminated(CAN) THE AIRCRAFT WAS ON A TRAINING FLIGHT. NR 1 ENGINE WAS IN THE FLIGHT IDLE POSITION. WHEN IT WAS BROUGHT BACK TO THE FLY POSITION IT BEGAN TO SURGE ANYTIME THE ENGINE TORQUE WAS ABOVE 40 PERCENT. THE ENGINE WAS TRIMMED TO 40 PERCENT TORQUE AND RETURNED TOFeb 2, 2003 · Skrsky S76A · Engine (Turbine/Turboprop)SDR CA030204015Chip Detector · shorted(CAN) IN CRUISE FLIGHT AT 5000 FT, TAIL ROTOR GEARBOX HOT/CHIP LIGHT CAME ON. FLIGHT CREW ASKED FOR AND RECEIVED IMMEDIATE DESCENT INTO CYYJ. THE AIRCRAFT LANDED AND WAS SHUTDOWN NORMALLY. THE ENGINEER REMOVED CHIP PLUG AND FOUND NO METAL. WHEN REINSTALLED THEJan 30, 2003 · Skrsky S76A · Tail Rotor GearboxSDR CA030204016Float · deployed(CAN) PRE-TAKE OFF CHECKS WERE COMPLETED FOR FLIGHT. AC WAS TURNED INTO WIND AND TAXIED FORWARD TO STRAIGHTEN OUT NOSE WHEEL. ONCE DONE THE TOE BRAKES WERE APPLIED BY THE COPILOT AND THE PILOT BECAUSE THE AC WAS ROLLING FORWARD. IMMEDIATELY, FLOATS WERE ACTIVJan 28, 2003 · Skrsky S76A · Emergency Flotation SectionSDR ALG2003F218APlug · debondedDISCOVERED DURING ROUTINE MAINTENANCE INSPECTION. SPAR ELLIPTICAL PLUG 100 PERCENT DEBONDED. NEW PLUG INSTALLED AT MFG O AND R 12-26-00 AT COMPONENT TOTAL TIME 11978.5.Jan 15, 2003 · N702AL · Skrsky S76 · Tail Rotor BladesSDR ALG2003F00006Link · out of adjustAFTER TAKE OFF, THE UNSAFE LIGHT WOULD NOT GO OUT AFTER THE LANDING GEAR WAS RETRACTED. UPON LANDING THE MECHANIC ADJUSTED THE LT MAIN GEAR DOOR AT EXPLOSIVE LINK AND THE AIRCRAFT WAS RETURNED TO SERVICE.Dec 16, 2002 · N717AL · Skrsky S76A · Landing Gear Retraction/Extension SystemSDR ALG2003F00009Pressure Switch · failedDURING RUN-UP CHECK, BOTH NR 1 AND NR 2 ENGINE FUEL PRESSURE LIGHT ILLUMINATED. WHEN THROTTLES WERE ADVANCED FROM IDLE AND AIRCRAFT WAS BROUGHT TO A HOVER DURING HOVER TURN BOTH NR 1 AND NR 2 FUEL PRESSURE LIGHTS FLICKED AND STAYED ON. THE MECHANIC REMOVED ADec 11, 2002 · N522AL · Skrsky S76A · Fuel Pressure IndicatingSDR ALG2003F00030Engine · inoperativeIN CRUISE FLIGHT, AT APPROXIMATELY 16:40, NR 2 ENGINE NR2 SPED TO 112 PERCENT- 114 PERCENT RIGHT YAW EXPERIENCED, NR 2 ENGINE LEVER WAS RETARTED TO CONTROL N2/NR. NR 2 ENGINE CHIP LIGHT ILLUMINATED AFTER 3-4 SECONDS AFTER ENGINE LEVER WAS RETARTED, AT THIS TDec 7, 2002 · N518AL · Skrsky S76A · Engine (Turbine/Turboprop)SDR ALG2003F00015Hydraulic System · lowIN CRUISE FLIGHT PILOT NOTICED A KICK IN THE FLIGHT CONTROLS AND A SLIGHT FLUCTUATION IN NR 2 HYDRAULIC GAUGE THIS WAS FOLLOWED BY CHATTERING IN THE CYCLIC CONTROL, AIRCRAFT RETURNED TO BASE AND UPON INSPECTION MECHANIC DISCOVERED THE NR 1 HYDRAULIC SYSTEM WASDec 5, 2002 · N519AL · Skrsky S76A · Hydraulic System, Main
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